| Subject Name | Scientific Name |
|---|---|
| hairy Indian mallow | Abutilon grandifolium (Willd.) Sweet |
| velvetleaf | Abutilon theophrasti Medik |
| earleaf acacia | Acacia auriculiformis A. Cunningham ex Benth. |
| small Philippine acacia | Acacia confusa Merr |
| Sydney golden wattle | Acacia longifolia (Andr.) Willd. |
| black wattle | Acacia mearnsii de Wildeman. |
| black acacia | Acacia melanoxylon R. Br. ex Ait. f. |
| everblooming acacia | Acacia retinodes Schlecht. |
| hedge maple | Acer campestre L. |
| Amur maple | Acer ginnala Maxim. |
| Japanese maple | Acer palmatum Thunb. |
| Norway maple | Acer platanoides L. |
| Sycamore maple | Acer pseudoplatanus L. |
| fernleaf yarrow | Achillea filipendulina Lam. |
| common yarrow | Achillea millefolium L. |
| sneezewort yarrow | Achillea ptarmica L. |
| Japanese chaff flower | Achyranthes japonica (Miq.) Nakai |
| Russian knapweed | Acroptilon repens (L.) DC. |
| red beadtree | Adenanthera pavonina L |
| rough maidenhair fern | Adiantum hispidulum Sw. |
| jointed goatgrass | Aegilops cylindrica Host |
| bishops goutweed | Aegopodium podagraria L. |
| common horse chestnut | Aesculus hippocastanum L. |
| sisal | Agave sisalana Perrine |
| croftonweed | Ageratina adenophora (Spreng.) King & H.E. Robins. |
| crested wheatgrass | Agropyron cristatum (L.) Gaertn. |
| corn cockle | Agrostemma githago L |
| colonial bentgrass | Agrostis capillaris L. |
| redtop | Agrostis gigantea Roth |
| tree-of-heaven | Ailanthus altissima (P. Mill.) Swingle |
| silver hairgrass | Aira caryophyllea L. |
| carpet bugle | Ajuga reptans L. |
| chocolate vine | Akebia quinata (Houtt.) Dcne. |
| mimosa | Albizia julibrissin Durazz. |
| woman's tongue | Albizia lebbeck (L.) Benth |
| hollyhock | Alcea rosea L. |
| camelthorn | Alhagi maurorum Medik |
| golden trumpet | Allamanda cathartica L. |
| garlic mustard | Alliaria petiolata (Bieb.) Cavara & Grande |
| wild garlic | Allium vineale L. |
| European alder | Alnus glutinosa (L.) Gaertn. |
| water foxtail | Alopecurus geniculatus L. |
| blackgrass | Alopecurus myosuroides Huds. |
| red ginger | Alpinia purpurata (Vieill.) K. Schum. |
| deviltree | Alstonia macrophylla Wallich ex G. Don |
| white cheesewood | Alstonia scholaris (L.)R.Br. |
| alligatorweed | Alternanthera philoxeroides (Mart.) Griseb. |
| alyceclover | Alysicarpus vaginalis (L.) DC. |
| prostrate pigweed | Amaranthus blitoides S. Wats |
| redroot pigweed | Amaranthus retroflexus L. |
| European beachgrass | Ammophila arenaria (L.) Link |
| Amur peppervine | Ampelopsis brevipedunculata (Maxim.) Trautv. |
| scarlet pimpernel | Anagallis arvensis L |
| small bugloss | Anchusa arvensis (L.) Bieb |
| Italian bugloss | Anchusa azurea P. Mill. |
| common bugloss | Anchusa officinalis L. |
| corn chamomile | Anthemis arvensis L. |
| stinking chamomile | Anthemis cotula L |
| sweet vernalgrass | Anthoxanthum odoratum L. |
| wild chervil | Anthriscus sylvestris (L.) Hoffmann |
| coral vine | Antigonon leptopus Hook. & Arn. |
| interrupted windgrass | Apera interrupta (L.) Beauv. |
| wild celery | Apium graveolens L. |
| Japanese angelica tree | Aralia elata (Miq.) Seem |
| white bladderflower | Araujia sericifera Brot. |
| great burdock | Arctium lappa L. |
| common burdock | Arctium minus Bernh. |
| coral ardisia | Ardisia crenata Sims |
| shoebutton ardisia | Ardisia elliptica Thunb |
| thymeleaf sandwort | Arenaria serpyllifolia L. |
| elegant dutchman's pipe | Aristolochia elegans Mast. |
| pelicanflower | Aristolochia grandiflora Sw. |
| tall oatgrass | Arrhenatherum elatius (L.) Beauv. ex J.& K. Presl |
| absinth wormwood | Artemisia absinthium L. |
| mugwort | Artemisia vulgaris L. |
| small carpgrass | Arthraxon hispidus (Thunb.) Makino |
| Italian lords and ladies | Arum italicum P. Mill. |
| bamboo orchid | Arundina graminifolia (D. Don) Hochr. |
| giant reed | Arundo donax L. |
| bloodflower milkweed | Asclepias curassavica L. |
| balloonplant | Asclepias physocarpa (E. Mey.) Schlechter |
| Sprenger's asparagus fern | Asparagus aethiopicus L. |
| Sprenger's asparagus fern | Asparagus densiflorus (Kunth) Jessop |
| asparagus | Asparagus officinalis L. |
| catchweed | Asperugo procumbens L. |
| onionweed | Asphodelus fistulosus Linnaeus |
| chickpea milkvetch | Astragalus cicer L. |
| Chinese violet | Asystasia gangetica (L.) T. Anders |
| Australian saltbush | Atriplex semibaccata R. Br. |
| peregrine saltbush | Atriplex suberecta I. Verd. |
| slender oat | Avena barbata Pott ex Link |
| wild oat | Avena fatua L. |
| oat | Avena sativa L. |
| sterile oat | Avena sterilis Linnaeus |
| common bamboo | Bambusa vulgaris Schrad. ex J.C. Wendl. |
| yellow rocket | Barbarea vulgaris Ait. f. |
| fivehook bassia | Bassia hyssopifolia (Pallas) Kuntz |
| Mexican fireweed | Bassia scoparia (L.) A.J. Scott |
| mountain ebony | Bauhinia variegata L |
| clubed begonia | Begonia cucullata Willd |
| Japanese barberry | Berberis thunbergii DC. |
| European barberry | Berberis vulgaris L |
| hoary alyssum | Berteroa incana (L.) DC |
| European white birch | Betula pendula Roth |
| hairy beggarticks | Bidens pilosa L. |
| Javanese bishopwood | Bischofia javanica Blume |
| Browne's blechum | Blechum pyramidatum (Lam.) Urban |
| yellow bluestem | Bothriochloa ischaemum var. songarica (Rupr. ex Fisch. & C.A. Mey.) Celarier & Harlan |
| paperflower | Bougainvillea glabra Choisy |
| perennial false-brome | Brachypodium sylvaticum (Huds.) Beauv. |
| Indian mustard | Brassica juncea (L.) Czern |
| rapeseed | Brassica napus L. |
| black mustard | Brassica nigra (L.) W.D.J. Koch |
| cabbage collards | Brassica oleracea L. |
| cabbage | Brassica oleracea var. oleracea L. |
| birdsrape mustard | Brassica rapa L. |
| turnip | Brassica rapa ssp. rapa L. |
| African mustard | Brassica tournefortii Gouan |
| snowbush | Breynia disticha J.R. & G. Forst. |
| field brome | Bromus arvensis L. |
| rattlesnake brome | Bromus briziformis Fisch. & C.A. Mey. |
| rescuegrass | Bromus catharticus Vahl |
| ripgut brome | Bromus diandrus Roth |
| soft brome | Bromus hordeaceus L. |
| soft brome | Bromus hordeaceus ssp. hordeaceus L. |
| bald brome | Bromus racemosus L. |
| red brome | Bromus rubens L. |
| cheat | Bromus secalinus L. |
| poverty brome | Bromus sterilis L. |
| cheatgrass | Bromus tectorum L. |
| paper-mulberry | Broussonetia papyrifera (L.) L'Hér. ex Vent. |
| Oriental mangrove | Bruguiera sexangula (Lour.) Poir. |
| white bryony | Bryonia alba L. |
| butterflybush | Buddleja davidii Franch. |
| Lindley's butterflybush | Buddleja lindleyana Fortune ex Lindl. |
| smokebush | Buddleja madagascariensis Lam. |
| corn gromwell | Buglossoides arvensis (L.) I.M. Johnston |
| hare's ear | Bupleurum rotundifolium n/a L. |
| flowering rush | Butomus umbellatus L. |
| shoofly | Caesalpinia decapetala (Roth) Alston |
| paradise poinciana | Caesalpinia gilliesii (Wall. ex Hook.) Wall. ex D. Dietr. |
| pigeon pea | Cajanus cajan (L.) Millsp. |
| pot marigold | Calendula officinalis L. |
| purple beautyberry | Callicarpa dichotoma (Lour.) K. Koch |
| basketplant | Callisia fragrans (Lindl.) Woods |
| bottlebrush | Callistemon viminalis (Gaertn.)G.Don ex Loudon |
| European waterstarwort | Callitriche stagnalis Scop. |
| heather | Calluna vulgaris (L.) Hull |
| Alexandrian laurel | Calophyllum inophyllum L. |
| hedge false bindweed | Calystegia sepium ssp. sepium (L.) R. Br. |
| smallseed falseflax | Camelina microcarpa DC. |
| creeping bellflower | Campanula rapunculoides L. |
| maunaloa | Canavalia cathartica Thouars |
| Indian shot | Canna indica L. |
| marijuana | Cannabis sativa L |
| shepherd's-purse | Capsella bursa-pastoris (L.) Medik. |
| woodland bittercress | Cardamine flexuosa With. |
| narrowleaf bittercress | Cardamine impatiens L. |
| hoary cress | Cardaria draba (L.) Desv |
| hairy whitetop | Cardaria pubescens (C.A. Mey.) |
| spiny plumeless thistle | Carduus acanthoides L. |
| curly plumeless thistle | Carduus crispus L. |
| musk thistle | Carduus nutans L. |
| Italian plumeless thistle | Carduus pycnocephalus L. |
| slenderflower thistle | Carduus tenuiflorus W. Curtis |
| Japanese sedge | Carex kobomugi Ohwi |
| papaya | Carica papaya L. |
| natal-plum | Carissa macrocarpa (Ecklon) A. DC. |
| carline thistle | Carlina vulgaris L. |
| hottentot fig | Carpobrotus edulis (L.) N.E. Br |
| wild safflower | Carthamus oxyacanthus M. Bieberstein |
| common caraway | Carum carvi L. |
| field Indian paintbrush | Castilleja arvensis Cham. & Schlecht |
| river sheoak | Casuarina cunninghamiana Miq. |
| Australian-pine | Casuarina equisetifolia L. |
| gray sheoak | Casuarina glauca Sieb. ex Spreng |
| Chinese catalpa | Catalpa ovata G. Don |
| Madagascar periwinkle | Catharanthus roseus (L.) G. Don |
| bushkiller | Cayratia japonica (Thunb.) Gagnepain |
| trumpet-tree | Cecropia obtusifolia Bertol. |
| trumpet tree | Cecropia palmata Willd. |
| oriental bittersweet | Celastrus orbiculatus Thunb. |
| staff vine | Celastrus paniculatus Willd. |
| bittersweets | Celastrus spp. L. |
| purple starthistle | Centaurea calcitrapa L. |
| cornflower | Centaurea cyanus L. |
| diffuse knapweed | Centaurea diffusa Lam. |
| brown knapweed | Centaurea jacea L. |
| bighead knapweed | Centaurea macrocephala Puschk. ex Willd. |
| Malta starthistle | Centaurea melitensis L. |
| perennial cornflower | Centaurea montana L. |
| black knapweed | Centaurea nigra L. |
| Vochin knapweed | Centaurea nigrescens Willd |
| yellow starthistle | Centaurea solstitialis L. |
| spotted knapweed | Centaurea stoebe ssp. micranthos (Gugler) Hayek |
| squarrose knapweed | Centaurea virgata Lam. |
| European centaury | Centaurium erythraea Rafn |
| Asiatic pennywort | Centella asiatica (L.) Urban |
| red valerian | Centranthus ruber (L.) DC. |
| boreal chickweed | Cerastium biebersteinii DC. |
| big chickweed | Cerastium fontanum ssp. vulgare (Hartman) Greuter & Burdet |
| sticky chickweed | Cerastium glomeratum Thuill. |
| snow in summer | Cerastium tomentosum L. |
| bur buttercup | Ceratocephala testiculata (Crantz) Bess. |
| day jessamine | Cestrum diurnum L. |
| night jessamine | Cestrum nocturnum L. |
| dwarf snapdragon | Chaenorhinum minus (L.) Lange |
| Seifriz's chamaedorea | Chamaedorea seifrizii Burret |
| greater celandine | Chelidonium majus L. |
| mexicantea | Chenopodium ambrosioides L. |
| Zschack's goosefoot | Chenopodium berlandieri var. zschackii (Murr) Murr ex Asch. |
| nettleleaf goosefoot | Chenopodium murale L. |
| clammy goosefoot | Chenopodium pumilio R. Br. |
| rush skeletonweed | Chondrilla juncea L. |
| blue mustard | Chorispora tenella (Pallas) DC. |
| pilipiliula | Chrysopogon aciculatus (Retz.) Trin. |
| chicory | Cichorium intybus L. |
| quinine | Cinchona pubescens Vahl |
| padang cassia | Cinnamomum burmannii (Nees & Th. Nees) Nees ex Blume |
| camphortree | Cinnamomum camphora (L.) J. Presl |
| Canada thistle | Cirsium arvense (L.) Scop. |
| bull thistle | Cirsium vulgare (Savi) Ten. |
| rock rose | Cistus incanus L. |
| tangerine | Citrus reticulata Blanco |
| key lime | Citrus x aurantiifolia (Christm.) Swingle (pro sp.) [medica × sp.] |
| lemon | Citrus x limon (L.) Burm. |
| sweet orange | Citrus x sinensis (L.) Osbeck (pro sp.) [maxima × reticulata] |
| oriental virginsbower | Clematis orientalis L. |
| sweet autumn virginsbower | Clematis terniflora DC |
| evergreen clematis | Clematis vitalba L. |
| rose glorybower | Clerodendrum bungei Steud. |
| stickbush | Clerodendrum chinense (Osb.) Mabberley |
| turk's turbin | Clerodendrum indicum (L.) Kuntze |
| Javanese glorybower | Clerodendrum speciosissimum Van Geert ex Morr. |
| blessed thistle | Cnicus benedictus L. |
| ivy gourd | Coccinia grandis (L.) Voigt |
| Coccocypselum hirsutum | Coccocypselum hirsutum Bartl. ex DC. |
| Arabian coffee | Coffea arabica L. |
| star-mustard | Coincya monensis (L.) Greuter & Burdet |
| Job's tears | Coix lacryma-jobi L. |
| coco yam, wild taro | Colocasia esculenta (L.) Schott |
| bladder senna | Colutea arborescens L. |
| Benghal dayflower | Commelina benghalensis L. |
| Asiatic dayflower | Commelina communis L. |
| narrow-leaved iceplant | Conicosia pugioniformis (L.) N.E. Br |
| poison-hemlock | Conium maculatum L. |
| European lily of the valley | Convallaria majalis L. |
| field bindweed | Convolvulus arvensis L. |
| hairy fleabane | Conyza bonariensis (L.) Cronquist |
| lesser swinecress | Coronopus didymus (L.) Sm. |
| purple pampasgrass | Cortaderia jubata (Lem.) Stapf |
| Uruguayan pampas grass | Cortaderia selloana n/a (Schult. & Schult. f.) Asch. & Graebn. |
| pampas grass | Cortaderia spp. Stapf |
| common filbert | Corylus avellana L. |
| karaka nut | Corynocarpus laevigatus J.R. & G. Forst. |
| garden cosmos | Cosmos bipinnatus Cav. |
| sulphur cosmos | Cosmos sulphureus Cav. |
| orange cotoneaster | Cotoneaster franchetii Boiss. |
| milkflower cotoneaster | Cotoneaster lacteus W.W. Smith |
| silverleaf cotoneaster | Cotoneaster pannosus Franch. |
| southern brassbuttons | Cotula australis (Sieber) Hook. f. |
| redflower ragleaf | Crassocephalum crepidioides (Benth.) S. Moore |
| English hawthorn | Crataegus monogyna Jacq. |
| smooth hawksbeard | Crepis capillaris (L.) Wallr |
| narrowleaf hawksbeard | Crepis tectorum L. |
| smooth crotalaria | Crotalaria pallida Ait. |
| showy rattlebox | Crotalaria spectabilis Roth |
| smooth bedstraw | Cruciata laevipes Opiz |
| piedmont bedstraw | Cruciata pedemontana (Bellardi) Ehrend. |
| common crupina | Crupina vulgaris Cass. |
| Japanese cedar | Cryptomeria japonica (L. f.) D. Don |
| Palay rubbervine | Cryptostegia grandiflora (Roxb. ex R. Br.) R. Br. |
| Madagascar rubbervine | Cryptostegia madagascariensis Bojer ex Dcne. |
| cantaloupe/honeydew | Cucumis melo L |
| dudaim melon | Cucumis melo var. dudaim (L.) Naud. |
| Chinese fir | Cunninghamia lanceolata (Lamb.) Hook. |
| carrotwood | Cupaniopsis anacardioides (A. Rich.) Radlk. |
| tarweed cuphea | Cuphea carthagenensis (Jacq.) J.F. Macbr. |
| smallseed alfalfa dodder | Cuscuta approximata Bab. |
| clover dodder | Cuscuta epithymum (L.) L. |
| Japanese dodder | Cuscuta japonica Choisy |
| little ironweed | Cyanthillium cinereum (L.) H.E. Robins. |
| quince | Cydonia oblonga P. Mill. |
| black swallowwort | Cynanchum louiseae Kartesz & Gandhi |
| European swallowwort | Cynanchum rossicum (Kleopov) Barbarich |
| white swallowwort | Cynanchum vincetoxicum (L.) Pers. |
| cardoon | Cynara cardunculus L. |
| bermudagrass | Cynodon dactylon (L.) Pers |
| houndstongue | Cynoglossum officinale L. |
| hedgehog dogtailgrass | Cynosurus echinatus L. |
| foxtail flatsedge | Cyperus alopecuroides Rottb. |
| Asian flatsedge | Cyperus amuricus Maxim. |
| smallflower umbrella sedge | Cyperus difformis L. |
| umbrella plant | Cyperus involucratus Rottb |
| rice flatsedge | Cyperus iria L. |
| miniature flatsedge | Cyperus prolifer Lam |
| purple nutsedge | Cyperus rotundus L. |
| Japanese netvein hollyfern | Cyrtomium falcatum (L. f.) C. Presl |
| Scotch broom | Cytisus scoparius (L.) Link |
| striated broom | Cytisus striatus (Hill) Rothm |
| orchardgrass | Dactylis glomerata L. |
| crowfootgrass | Dactyloctenium aegyptium (L.) Willd |
| Indian rosewood | Dalbergia sissoo Roxb. ex DC. |
| spurgelaurel | Daphne laureola L. |
| February daphne | Daphne mezereum L. |
| jimsonweed | Datura stramonium L. |
| Queen Anne's lace, wild carrot | Daucus carota L. |
| cape ivy | Delairea odorata Lem |
| Japanese false spleenwort | Deparia petersonii (Kunze) M. Kato |
| flixweed | Descurainia sophia (L.) Webb ex Prantl |
| Hawai'i ticktrefoil | Desmodium sandwicense E. Mey. |
| fuzzy pride-of-Rochester | Deutzia scabra Thunb. |
| Deptford pink | Dianthus armeria L. |
| maiden pink | Dianthus deltoides L. |
| Kleberg's bluestem | Dichanthium annulatum (Forssk.) Stapf |
| Grecian foxglove | Digitalis lanata Ehrh. |
| foxglove | Digitalis purpurea L. |
| East Indian crabgrass | Digitaria setigera Roth ex Roemer & J.A. Schultes |
| violet crabgrass | Digitaria violascens Link |
| winged yam | Dioscorea alata L. |
| air-potato | Dioscorea bulbifera L. |
| Chinese yam | Dioscorea oppositifolia L. |
| common teasel | Dipsacus fullonum L. |
| cutleaf teasel | Dipsacus laciniatus L. |
| teasel | Dipsacus spp. L. |
| spring whitlowgrass | Draba verna L. |
| Indian mock-strawberry | Duchesnea indica (Andr.) Focke |
| yellow butterfly palm | Dypsis lutescens (H. Wendl.) Beentje & Dransf. |
| junglerice | Echinochloa colona (L.) Link |
| barnyardgrass | Echinochloa crus-galli (L.) Beauv |
| blueweed | Echium vulgare L. |
| Brazilian egeria | Egeria densa Planch. |
| perennial veldtgrass | Ehrharta calycina Sm. |
| waterhyacinth | Eichhornia crassipes (Mart.) Solms |
| Russian-olive | Elaeagnus angustifolia L. |
| cherry silverberry | Elaeagnus multiflora Thunb. |
| thorny olive | Elaeagnus pungens Thunb. |
| Elaeagnus | Elaeagnus spp. L. |
| autumn-olive | Elaeagnus umbellata Thunb. |
| goosegrass | Eleusine indica (L.) Gaertn. |
| ginseng | Eleutherococcus pentaphyllus (Siebold & Zucc.) Nakai |
| crested latesummer mint | Elsholtzia ciliata (Thunb.) Hyl. |
| quackgrass | Elymus repens (L.) Gould |
| Siberian wildrye | Elymus sibiricus L. |
| spiny emex | Emex spinosa (Linnaeus) Campdera |
| Cupid's-shaving-brush | Emilia fosbergii D.H. Nicols. |
| Epidendrum ×obrienianum | Epidendrum x obrienianum Rolfe [evectum × ibaguense] |
| aboriginal willowherb | Epilobium billardierianum ssp. cinereum (A. Rich.) P.H. Raven & Engelhorn |
| hairy willowherb | Epilobium hirsutum L. |
| helleborine | Epipactis helleborine (L.) Crantz |
| centipede tongavine | Epipremnum pinnatum (L.) Engl |
| stinkgrass | Eragrostis cilianensis (All.) Vign. ex Janchen |
| Cuming's lovegrass | Eragrostis cumingii Steud. |
| weeping lovegrass | Eragrostis curvula (Schrad.) Nees |
| Lehmann lovegrass | Eragrostis lehmanniana Nees |
| Australian burnweed | Erechtites minima (Poir.) DC |
| tropical burnweed | Erechtites valerianifolia (Spreng.) DC. |
| Scots heath | Erica cinerea L. |
| Spanish heath | Erica lusitanica K. Rudolphi |
| crossleaf heath | Erica tetralix L. |
| loquat | Eriobotrya japonica (Thunb.) Lindl |
| tropical cupgrass | Eriochloa fatmensis (Hochst. & Steud.) W.D. Clayton |
| redstem filaree | Erodium cicutarium (L.) L'Hér. ex Ait. |
| redstem stork's bill | Erodium cicutarium ssp. cicutarium (L.) L'Hér. ex Aiton |
| dog mustard | Erucastrum gallicum (Willd.) O.E. Schulz |
| wallflower mustard | Erysimum cheiranthoides L |
| river redgum | Eucalyptus camaldulensis Dehnhardt |
| Tasmanian bluegum | Eucalyptus globulus Labill. |
| redbox | Eucalyptus polyanthemos Schauer |
| black peppermint | Eucalyptus salicifolia (Sol.) Cav. |
| forest redgum | Eucalyptus tereticornis Sm. |
| father-and-child plant | Euchiton japonicus (Thunb.) A. Anderb. |
| Surinam cherry | Eugenia uniflora L. |
| winged burning bush | Euonymus alatus (Thunb.) Sieb. |
| European spindletree | Euonymus europaeus L. |
| winter creeper | Euonymus fortunei (Turcz.) Hand.-Maz. |
| cypress spurge | Euphorbia cyparissias L. |
| leafy spurge | Euphorbia esula L. |
| myrtle spurge | Euphorbia myrsinites L |
| petty spurge | Euphorbia peplus L. |
| hawk's eye | Euryops multifidus (Thunb.) DC. |
| common pearlbrush | Exochorda racemosa (Lindl.) Rehd. |
| peacocksplume | Falcataria moluccana (Miquel) Barneby & Grimes |
| mulberryweed | Fatoua villosa (Thunb.) Nakai |
| paperplant | Fatsia japonica (Thunb.) Decne. & Planchon |
| sheep fescue | Festuca ovina L. |
| council tree | Ficus altissima Blume |
| edible fig | Ficus carica L. |
| queen-of-the-meadow | Filipendula ulmaria (L.) Maxim. |
| Chinese parasoltree | Firmiana simplex (L.) W. Wight |
| governor's plum | Flacourtia indica (Burm. f.) Merr |
| Queensland maple | Flindersia brayleyana F. Muell. |
| simpleleaf bushweed | Flueggea acidoton (L.) G.L. Webster |
| fennel | Foeniculum vulgare P. Mill. |
| glossy buckthorn | Frangula alnus P. Mill. |
| shamel ash | Fraxinus uhdei (Wenzig) Lingelsh |
| Mauritius hemp | Furcraea foetida (L.) Haw |
| goatsrue | Galega officinalis L. |
| splitlip hempnettle | Galeopsis bifida Boenn. |
| common hempnettle | Galeopsis tetrahit L. |
| smallflower galinsoga | Galinsoga parviflora Cav. |
| hairy galinsoga | Galinsoga quadriradiata Cav |
| smooth bedstraw | Galium mollugo L. |
| yellow bedstraw | Galium verum L. |
| blue lawngrass | Garnotia stricta Brongn. |
| nit grass | Gastridium phleoides (Nees & Meyen) C.E. Hubbard |
| Mediterranean broom | Genista linifolia L. |
| French broom | Genista monspessulana (L.) L. Johnson |
| Dyer's greenweed | Genista tinctoria L. |
| longstalk cranesbill | Geranium columbinum L. |
| Australasian geranium | Geranium homeanum Turcz. |
| shining geranium | Geranium lucidum L. |
| herb-robert | Geranium robertianum L. |
| Thunberg's geranium | Geranium thunbergii Sieb. & Zucc. ex Lindl. & Paxton |
| moss vervain | Glandularia pulchella (Sweet) Troncoso |
| ground ivy | Glechoma hederacea L. |
| American mannagrass | Glyceria grandis var. grandis S. Watson |
| low cudweed | Gnaphalium uliginosum L. |
| kahiliflower | Grevillea banksii R. Br. |
| silkoak | Grevillea robusta A. Cunningham ex R. Br. |
| babysbreath | Gypsophila paniculata L |
| garden baby's-breath | Gypsophila scorzonerifolia Ser. |
| bloodwoodtree | Haematoxylum campechianum L. |
| halogeton | Halogeton glomeratus (Bieb.) C.A. Mey. |
| English ivy | Hedera helix L. |
| white garland-lily | Hedychium coronarium Koenig |
| cream garland-lily | Hedychium flavescens Carey ex Roscoe |
| Kahila garland-lily | Hedychium gardnerianum Shepard ex Ker-Gawl. |
| white moho | Heliocarpus popayanensis Kunth |
| Indian heliotrope | Heliotropium indicum L. |
| limpograss | Hemarthria altissima (Poir.) Stapf & C.E. Hubbard |
| tawny daylily | Hemerocallis fulva (L.) L. |
| yellow daylily | Hemerocallis lilioasphodelus L. |
| giant hogweed | Heracleum mantegazzianum Sommier & Levier |
| damesrocket | Hesperis matronalis L. |
| pearlflower | Heterocentron subtriplinervium (Link & Otto) A. Braun & Bouché |
| rose of Sharon | Hibiscus syriacus L. |
| sea hibiscus | Hibiscus tiliaceus L. |
| Venice mallow | Hibiscus trionum L. |
| orange hawkweed | Hieracium aurantiacum L. |
| meadow hawkweed | Hieracium caespitosum Dumort. |
| mouseear hawkweed | Hieracium pilosella L. |
| kingdevil hawkweed | Hieracium piloselloides Vill. |
| hiptage | Hiptage benghalensis (L.) Kurz |
| shortpod mustard | Hirschfeldia incana (L.) Lagrèze-Fossat |
| common velvetgrass | Holcus lanatus L. |
| German velvetgrass | Holcus mollis L. |
| mouse barley | Hordeum murinum L. |
| smooth barley | Hordeum murinum ssp. glaucum (Steud.) Tzvelev |
| leporinum barley | Hordeum murinum ssp. leporinum (Link) Arcang. |
| barley | Hordeum vulgare L. |
| Japanese hop | Humulus japonicus Siebold & Zucc. |
| Mexican tulip poppy | Hunnemannia fumariifolia Sweet |
| panicled hydrangea | Hydrangea paniculata Sieb. |
| hydrilla | Hydrilla verticillata (L. f.) Royle |
| common frogbit | Hydrocharis morsus-ranae L. |
| miramar weed | Hygrophila polysperma (Roxb.) T. Anders. |
| black henbane | Hyoscyamus niger L. |
| common St. Johnswort | Hypericum perforatum L. |
| hairy cat'sear | Hypochaeris radicata L. |
| English holly | Ilex aquifolium L. |
| Chinese holly | Ilex cornuta Lindl. & Paxton |
| Japanese holly | Ilex crenata Thunb. |
| ornamental jewelweed | Impatiens glandulifera Royle |
| Brazilian satintail | Imperata brasiliensis Trinius |
| cogongrass | Imperata cylindrica (L.) Beauv. |
| hairy indigo | Indigofera hirsuta L. |
| British yellowhead | Inula britannica L. |
| elecampane | Inula helenium L. |
| swamp morningglory | Ipomoea aquatica Forssk. |
| sweetpotato | Ipomoea batatas (L.) Lam. |
| gloria de la manana | Ipomoea carnea ssp. fistulosa (Mart. ex Choisy) D. Austin |
| red morningglory | Ipomoea coccinea L. |
| ivyleaf morningglory | Ipomoea hederacea Jacq. |
| tall morningglory | Ipomoea purpurea (L.) Roth |
| cypressvine morningglory | Ipomoea quamoclit L. |
| purple moonflower | Ipomoea turbinata Lag. |
| palmleaf morningglory | Ipomoea wrightii Gray |
| Russian iris | Iris ensata Thunb. |
| sweet iris | Iris pallida Lam. |
| yellowflag iris | Iris pseudacorus L. |
| Siberian iris | Iris sibirica L. |
| Dyer's woad | Isatis tinctoria L. |
| smallflower morningglory | Jacquemontia tamnifolia (L.) Griseb. |
| Gold Coast jasmine | Jasminum dichotomum Vahl |
| jazmin de trapo | Jasminum fluminense Vell. |
| star jasmine | Jasminum multiflorum (Burm. f.) Andr. |
| Arabian jasmine | Jasminum sambac (L.) Ait. |
| broadleaf rush | Juncus planifolius R. Br. |
| devil's backbone | Kalanchoe daigremontiana Hamet & Perrier |
| chandelier plant | Kalanchoe delagoensis Ecklon & Zeyh. |
| cathedral bells | Kalanchoe pinnata (Lam.) Pers. |
| Japanese rose | Kerria japonica (L.) DC. |
| flamegold | Koelreuteria elegans ssp. formosana (Hayata) F.G. Mey. |
| goldenrain tree | Koelreuteria paniculata Laxm. |
| Kummerowia | Kummerowia spp. Schindl. |
| Korean lespedeza | Kummerowia stipulacea (Maxim.) Makino |
| common lespedeza | Kummerowia striata (Thunb.) Schindl. |
| white kyllinga | Kyllinga nemoralis (J.R. Forst. & G. Forst.) Dandy ex Hutch. & Dalziel |
| willowleaf lettuce | Lactuca saligna L. |
| lettuce | Lactuca sativa L. |
| prickly lettuce | Lactuca serriola L. |
| crapemyrtle | Lagerstroemia indica L. |
| yellow archangel | Lamiastrum galeobdolon (L.) Ehrend. & Polatschek |
| white deadnettle | Lamium album L. |
| henbit | Lamium amplexicaule L. |
| spotted deadnettle | Lamium maculatum L. |
| purple deadnettle | Lamium purpureum L. |
| weeping lantana | Lantana montevidensis (Spreng.) Briq. |
| European sticktight | Lappula squarrosa (Retz.) Dumort. |
| nipplewort | Lapsana communis L. |
| everlasting peavine | Lathyrus latifolius L. |
| lionsear | Leonotis nepetifolia (L.) R. Br. ex Ait. f. |
| fall hawkbit | Leontodon autumnalis L. |
| lesser hawkbit | Leontodon taraxacoides ssp. taraxacoides L. |
| motherwort | Leonurus cardiaca L. |
| perennial pepperweed | Lepidium latifolium L. |
| clasping pepperweed | Lepidium perfoliatum L. |
| broom teatree | Leptospermum scoparium J.R. & G. Forst. |
| lepyrodiclis | Lepyrodiclis holosteoides (C.A. Mey.) Fenzl ex Fisch. & C.A. Mey. |
| shrubby lespedeza | Lespedeza bicolor Turcz. |
| sericea lespedeza | Lespedeza cuneata (Dum.-Cours.) G. Don |
| Thunberg lespedeza | Lespedeza thunbergii (DC.) Nakai |
| max chrysanthemum | Leucanthemum maximum (Ramond) DC. |
| oxeye daisy | Leucanthemum vulgare Lam. |
| Amur privet | Ligustrum amurense Carrière |
| Japanese privet | Ligustrum japonicum Thunb. |
| glossy privet | Ligustrum lucidum W.T. Aiton |
| border privet | Ligustrum obtusifolium Sieb. & Zucc. |
| California privet | Ligustrum ovalifolium Hassk. |
| waxyleaf privet | Ligustrum quihoui Carr. |
| Chinese privet | Ligustrum sinense Lour. |
| privet | Ligustrum spp. L. |
| European privet | Ligustrum vulgare L. |
| limnophila | Limnophila sessiliflora (Vahl) Blume |
| Dalmatian toadflax | Linaria dalmatica (L.) P. Mill. |
| dalmatian toadflax | Linaria dalmatica ssp. dalmatica (L.) P. Mill. |
| broomleaf toadflax | Linaria genistifolia (L.) P. Mill. |
| pineneedle toadflax | Linaria pinifolia (Poir.) Thell. |
| yellow toadflax | Linaria vulgaris P. Mill. |
| monkeygrass | Liriope muscari (Dcne.) Bailey |
| creeping liriope | Liriope spicata (Thunb.) Lour. |
| fountain palm | Livistona chinensis (Jacq.) R. Br. ex Mart. |
| Chinese lobelia | Lobelia chinensis Lour. |
| perennial ryegrass | Lolium perenne L. |
| Italian ryegrass | Lolium perenne ssp. multiflorum (Lam.) Husnot |
| perennial ryegrass | Lolium perenne ssp. perenne L. |
| meadow fescue | Lolium pratense (Huds.) S.J. Darbyshire |
| poison ryegrass | Lolium temulentum L. |
| Italian woodbine | Lonicera caprifolium L. |
| Etruscan honeysuckle | Lonicera etrusca Santi |
| sweet breath of spring | Lonicera fragrantissima Lindl. & Paxton |
| Japanese honeysuckle | Lonicera japonica Thunb. |
| Amur honeysuckle | Lonicera maackii (Rupr.) Herder |
| Morrow's honeysuckle | Lonicera morrowii Gray |
| woodbine | Lonicera periclymenum L. |
| exotic bush honeysuckles | Lonicera spp. L. |
| Standish's honeysuckle | Lonicera standishii Jacques |
| Tatarian honeysuckle | Lonicera tatarica L. |
| Bell's honeysuckle | Lonicera x bella Zabel [morrowii × tatarica] |
| dwarf honeysuckle | Lonicera xylosteum L. |
| vinegartree | Lophostemon confertus (R. Br.) P.G. Wilson & Waterhouse |
| birdsfoot trefoil | Lotus corniculatus L. |
| hairy bird's-foot trefoil | Lotus subbiflorus Lag. |
| large-flower primrose-willow | Ludwigia grandiflora grandiflora (M. Micheli) Greuter & Burdet |
| water primrose | Ludwigia grandiflora hexapetala (Hook. & Arn.) Nesom & Kartesz |
| primrose-willow | Ludwigia peruviana (L.) Hara |
| Uruguay waterprimrose | Ludwigia uruguayensis Camb.) Hara |
| annual honesty | Lunaria annua L. |
| oakforest woodrush | Luzula luzuloides (Lam.) Dandy & Wilmott |
| maltese-cross | Lychnis chalcedonica L. |
| meadow campion | Lychnis flos-cuculi L. |
| African boxthorn | Lycium ferocissimum Miers |
| Japanese climbing fern | Lygodium japonicum (Thunb. ex Murr.) Sw. |
| old world climbing fern | Lygodium microphyllum (Cav.) R. Br. |
| moneywort | Lysimachia nummularia L. |
| garden loosestrife | Lysimachia vulgaris L. |
| purple loosestrife | Lythrum salicaria L. |
| European wand loosestrife | Lythrum virgatum L. |
| catclaw-vine | Macfadyena unguis-cati (L.) A.H. Gentry |
| swordfern | Macrothelypteris torresiana (Gaud.) Ching |
| cluster tarweed | Madia glomerata Hook. |
| leatherleaf mahonia | Mahonia bealei (Fortune) Carr. |
| Malcolm stock | Malcolmia africana (L.) Ait. f. |
| Siberian crabapple | Malus baccata (L.) Borkh. |
| Japanese flowering crabapple | Malus floribunda Sieb. Ex Van Houtte |
| plumleaf crabapple | Malus prunifolia (Willd.) Borkh. |
| paradise apple | Malus pumila P. Mill. |
| European crabapple | Malus sylvestris P. Mill. |
| common mallow | Malva neglecta Wallr. |
| little mallow | Malva parviflora L. |
| threelobe false mallow | Malvastrum coromandelianum (L.) Garcke |
| mazapan | Malvaviscus penduliflorus DC. |
| mango | Mangifera indica L. |
| tapioca | Manihot esculenta Crantz |
| ceara rubbertree | Manihot glaziovii Muell.-Arg. |
| sapodilla | Manilkara zapota (L.) van Royen |
| white horehound | Marrubium vulgare L. |
| dwarf waterclover | Marsilea minuta L. |
| European pepperwort | Marsilea quadrifolia L. |
| pineapple-weed | Matricaria discoidea DC. |
| black medic | Medicago lupulina L. |
| little burclover | Medicago minima (L.) L. |
| California burclover | Medicago polymorpha L. |
| alfalfa | Medicago sativa L. |
| yellow alfalfa | Medicago sativa ssp. falcata (L.) Arcang. |
| alfalfa | Medicago sativa ssp. sativa L. |
| melaleuca | Melaleuca quinquenervia (Cav.) Blake |
| Asian melastome | Melastoma candidum D. Don |
| chinaberry | Melia azedarach L. |
| annual yellow sweetclover | Melilotus indicus (L.) All. |
| yellow sweetclover | Melilotus officinalis (L.) Lam. |
| molassesgrass | Melinis minutiflora Beauv. |
| natalgrass | Melinis repens (Willd.) Zizka |
| lemon balm | Melissa officinalis L. |
| hierba del soldado | Melochia umbellata (Houtt.) Stapf |
| pennyroyal | Mentha pulegium L. |
| spearmint | Mentha spicata L. |
| peppermint | Mentha x piperita L. (pro sp.) |
| apple-mint | Mentha x villosa Huds. (pro sp.) [spicata × suaveolens] |
| slenderleaf iceplant | Mesembryanthemum nodiflorum L. |
| weeping grass | Microlaena stipoides Labill. |
| Nepalese browntop | Microstegium vimineum (Trin.) A. Camus |
| spring millet | Milium vernale Bieb. |
| catclaw mimosa | Mimosa pellita Kunth ex Willd. |
| common four-o'clock | Mirabilis jalapa L. |
| Chinese silvergrass | Miscanthus sinensis Anderss. |
| balsamapple | Momordica charantia L. |
| monochoria | Monochoria vaginalis (Burm. f.) K. Presl ex Kunth |
| treedaisy | Montanoa hibiscifolia (Benth.) Standl. |
| firetree | Morella faya (Ait.) Wilbur |
| white mulberry | Morus alba L. |
| miniature beefsteakplant | Mosla dianthera (Buch.-Ham. ex Roxb.) Maxim. |
| long-fruited mucuna | Mucuna macrocarpa Wallich |
| marsh dayflower | Murdannia keisak (Hassk.) Hand.-Maz. |
| Chinese box | Murraya exotica L. |
| plantain | Musa x paradisiaca [acuminata × balbisiana] L. |
| common grape hyacinth | Muscari botryoides (L.) P. Mill. |
| starch grape hyacinth | Muscari neglectum Guss. ex Ten. |
| wall lettuce | Mycelis muralis (L.) Dumort. |
| ngaio tree | Myoporum laetum G. Forst. |
| true forget-me-not | Myosotis scorpioides L. |
| woodland forget-me-not | Myosotis sylvatica Ehrh. ex Hoffmann |
| water starwort | Myosoton aquaticum (L.) Moench |
| parrotfeather | Myriophyllum aquaticum (Vell.) Verdc. |
| Eurasian watermilfoil | Myriophyllum spicatum Linnaeus |
| anise | Myrrhis odorata (L.) Scop. |
| brittleleaf naiad | Najas minor All. |
| sacred bamboo | Nandina domestica Thunb. |
| matgrass | Nardus stricta L. |
| onerow yellowcress | Nasturtium microphyllum Boenn. ex Rchb. |
| watercress | Nasturtium officinale Ait. f. |
| Sacred lotus | Nelumbo nucifera Gaertn. |
| perennial soybean | Neonotonia wightii (Wight & Arn.) |
| catnip | Nepeta cataria L. |
| narrow swordfern | Nephrolepis cordifolia (L.) C. Presl |
| fishtail swordfern | Nephrolepis falcata (Cav.) C. Christens. |
| Asian swordfern | Nephrolepis multiflora (Roxb.) Jarrett ex Morton |
| oleander | Nerium oleander L. |
| ball mustard | Neslia paniculata (L.) Desv. |
| burmareed | Neyraudia reynaudiana (Kunth) Keng ex A.S. Hitchc. |
| apple-of-Peru | Nicandra physalodes (L.) Gaertn. |
| tree tobacco | Nicotiana glauca Graham |
| crested floating heart | Nymphoides cristata (Roxb.) O. Ktze. |
| water snowflake | Nymphoides indica (L.) Kuntze |
| yellow floatingheart | Nymphoides peltata (Gmel.) Kuntze |
| elliptic yellowwood | Ochrosia elliptica Labill. |
| monk orchid | Oeceoclades maculata (Lindl.) Lindl. |
| redsepal evening-primrose | Oenothera glazioviana Micheli |
| olive | Olea europaea L. |
| African olive | Olea europaea ssp. cuspidata (Wall. ex G. Don) Ciferri |
| Scotch thistle | Onopordum acanthium L. |
| bull cottonthistle | Onopordum tauricum Willd. |
| dwarf lilyturf | Ophiopogon japonicus (L. f.) Ker Gawler |
| tuna cactus | Opuntia ficus-indica (L.) P. Mill. |
| nodding star-of-Bethlehem | Ornithogalum nutans L. |
| star-of-Bethlehem | Ornithogalum umbellatum L. |
| small broomrape | Orobanche minor Smith |
| branched broomrape | Orobanche ramosa L. |
| brown-beard rice | Oryza rufipogon Griffiths |
| rice | Oryza sativa L. |
| duck-lettuce | Ottelia alismoides (Linnaeus) Pers. |
| pink woodsorrel | Oxalis debilis var. corymbosa (DC.) Lourteig |
| bristletips | Oxyspora paniculata (D. Don) DC. |
| Japanese pachysandra | Pachysandra terminalis Sieb. & Zucc. |
| sewer vine | Paederia cruddasiana Prain |
| skunk-vine | Paederia foetida L. |
| blue panicum | Panicum antidotale Retz. |
| wild-proso millet | Panicum miliaceum L. |
| opium poppy | Papaver somniferum L. |
| plume albizia | Paraserianthes lophantha (Willd.) I. Nielsen |
| yellow glandweed | Parentucellia viscosa (L.) Caruel |
| Boston ivy | Parthenocissus tricuspidata (Sieb. & Zucc.) Planch. |
| dallisgrass | Paspalum dilatatum Poir. |
| tussock paspalum | Paspalum quadrifarium Lam. |
| ricegrass paspalum | Paspalum scrobiculatum Linnaeus |
| vaseygrass | Paspalum urvillei Steud. |
| wingleaf passionflower | Passiflora bicornis P. Mill. |
| twoflower passionflower | Passiflora biflora Lam. |
| passionflower | Passiflora edulis Sims |
| sweet granadilla | Passiflora ligularis Juss. |
| white passionflower | Passiflora subpeltata Ortega |
| banana passionflower | Passiflora tripartita var. mollissima (Kunth) Holm-Niesen & P.M. Jørg. |
| wild parsnip | Pastinaca sativa L. |
| princesstree | Paulownia tomentosa (Thunb.) Sieb. & Zucc. ex Steud. |
| spearleaf swampmallow | Pavonia hastata Cav. |
| African rue | Peganum harmala L. |
| bufflegrass | Pennisetum ciliare (L.) Link |
| kikuyugrass | Pennisetum clandestinum Hochst. ex Chiov. |
| kyasumagrass | Pennisetum pedicellatum Trinius |
| mission grass | Pennisetum polystachion (Linnaeus) Schultes |
| elephant grass | Pennisetum purpureum Schumacher |
| crimson fountaingrass | Pennisetum setaceum (Forsk.) Chiov. |
| perilla mint | Perilla frutescens (L.) Britton |
| avocado | Persea americana P. Mill. |
| mile-a-minute weed | Persicaria perfoliata (L.) H. Gross |
| hairypink | Petrorhagia dubia (Raf.) G. López & Romo |
| parsley | Petroselinum crispum (P. Mill.) Nyman ex A.W. Hill |
| bulbous canarygrass | Phalaris aquatica L. |
| canarygrass | Phalaris canariensis L. |
| littleseed canarygrass | Phalaris minor Retz. |
| Japanese corktree | Phellodendron japonicum Maxim. |
| sweet mock orange | Philadelphus coronarius L. |
| timothy | Phleum pratense L. |
| date palm | Phoenix dactylifera L. |
| Senegal date palm | Phoenix reclinata Jacq. |
| New Zealand flax | Phormium tenax J.R. & G. Forst. |
| Mascarene Island leaf-flower | Phyllanthus tenellus Roxb. |
| chamber bitter | Phyllanthus urinaria L. |
| golden bamboo | Phyllostachys aurea Carr. ex A.& C. Rivière |
| black bamboo | Phyllostachys nigra (Lodd.) Munro |
| monarch fern | Phymatosorus scolopendria (Burm. f.) Copeland |
| Peruvian groundcherry | Physalis peruviana L. |
| Norway spruce | Picea abies (L.) Karst. |
| hawkweed oxtongue | Picris hieracioides L. |
| Italian stone pine | Pinus pinea L. |
| Scots pine | Pinus sylvestris L. |
| Japanese black pine | Pinus thunbergii Parl. |
| Chinese pistache | Pistacia chinensis Bunge |
| monkeypod | Pithecellobium dulce (Roxb.) Benth. |
| Taiwanese cheesewood | Pittosporum pentandrum (Blanco) Merr. |
| Australian cheesewood | Pittosporum undulatum Vent. |
| buckhorn plantain | Plantago lanceolata L. |
| Indian camphorweed | Pluchea indica (L.) Less. |
| annual bluegrass | Poa annua L. |
| bulbous bluegrass | Poa bulbosa L. |
| Canada bluegrass | Poa compressa L. |
| spreading bluegrass | Poa pratensis subsp. irrigata (Lindm.) H. Lindb. |
| Kentucky bluegrass | Poa pratensis subsp. pratensis L. |
| roughstalk bluegrass | Poa trivialis L. |
| yew plum pine | Podocarpus macrophyllus (Thunb.) Sweet |
| fourleaf manyseed | Polycarpon tetraphyllum (L.) L. |
| silversheath knotweed | Polygonum argyrocoleon Steud. Ex Kunze |
| Chinese fleecevine | Polygonum aubertii Henry |
| prostrate knotweed | Polygonum aviculare L. |
| oriental ladysthumb | Polygonum caespitosum Blume |
| pinkhead smartweed | Polygonum capitatum Buch.-Ham. ex D. Don |
| Oriental lady's thumb | Polygonum cespitosum Blume |
| wild buckwheat | Polygonum convolvulus L. |
| Japanese knotweed | Polygonum cuspidatum Siebold & Zucc. |
| princess-feather | Polygonum orientale L. |
| ladysthumb | Polygonum persicaria L. |
| cultivated knotweed | Polygonum polystachyum Wallich ex Meisn. |
| Sakhalin knotweed | Polygonum sachalinense F. Schmidt ex Maxim. |
| Bohemian knotweed | Polygonum x bohemicum (J. Chrtek & Chrtkovß) Zika & Jacobson [cuspidatum x sachalinense] |
| rabbitfoot polypogon | Polypogon monspeliensis (L.) Desf. |
| water-bent | Polypogon viridis (Gouan) Breistr. |
| trifoliate orange | Poncirus trifoliata (L.) Raf. |
| tropical pickerelweed | Pontederia rotundifolia L. f. |
| white poplar | Populus alba L. |
| Lombardy poplar | Populus nigra L. |
| European aspen | Populus tremula L. |
| gray poplar | Populus x canescens (Ait.) Sm. (pro sp.) [alba × tremula] |
| Paraguayan purslane | Portulaca amilis Speg. |
| curlyleaf pondweed | Potamogeton crispus L. |
| sulfur cinquefoil | Potentilla recta L. |
| canistel | Pouteria campechiana (Kunth) Baehni |
| kiawe | Prosopis pallida (Humb. & Bonpl. ex Willd.) Kunth |
| sweet cherry | Prunus avium (L.) L. |
| cherry plum | Prunus cerasifera Ehrh. |
| sour cherry | Prunus cerasus L. |
| garden plum | Prunus domestica L. |
| cherry laurel | Prunus laurocerasus L. |
| Portugal laurel | Prunus lusitanica L. |
| Mahaleb cherry | Prunus mahaleb L. |
| European bird cherry | Prunus padus L. |
| peach | Prunus persica (L.) Batsch |
| blackthorn | Prunus spinosa L. |
| dog's-tongue | Pseudelephantopus spicatus (Juss. ex Aubl.) C.F. Baker |
| Jersey cudweed | Pseudognaphalium luteoalbum (L.) Hilliard & Burtt |
| arrow bamboo | Pseudosasa japonica (Sieb. & Zucc. ex Steud.) Makino ex Nakai |
| strawberry guava | Psidium cattleianum Sabine |
| guava | Psidium guajava L. |
| giant brake | Pteris tripartita Sw. |
| ladder brake | Pteris vittata L. |
| ptychosperma | Ptychosperma elegans (R. Br.) Blume |
| kudzu | Pueraria montana var. lobata (Lour.) Merr. |
| pomegranate | Punica granatum L. |
| narrowleaf firethorn | Pyracantha angustifolia (Franch.) Schneid. |
| scarlet firethorn | Pyracantha coccinea M. Roemer |
| flamevine | Pyrostegia venusta (Ker-Gawl.) Miers |
| Callery pear (Bradford pear) | Pyrus calleryana Dcne. |
| common pear | Pyrus communis L. |
| sawtooth oak | Quercus acutissima Carruthers |
| English oak | Quercus robur L. |
| Rangoon creeper | Quisqualis indica L. |
| tall buttercup | Ranunculus acris L. |
| bulbous buttercup | Ranunculus bulbosus L. |
| fig buttercup | Ranunculus ficaria L. |
| creeping buttercup | Ranunculus repens L. |
| wild radish | Raphanus raphanistrum L. |
| radish | Raphanus sativus L. |
| turnipweed | Rapistrum rugosum (L.) All. |
| white mignonette | Reseda alba L. |
| European buckthorn | Rhamnus cathartica L. |
| garden rhubarb | Rheum rhabarbarum L. |
| rose myrtle | Rhodomyrtus tomentosa (Ait.) Hassk. |
| jetbead | Rhodotypos scandens (Thunb.) Makino |
| cultivated currant | Ribes rubrum L. |
| largeflower Mexican clover | Richardia grandiflora (Cham. & Schlecht.) J.A. & J.H. Schultes |
| castorbean | Ricinus communis L. |
| bristly locust | Robinia hispida L. |
| great yellowcress | Rorippa amphibia (L.) Bess. |
| Austrian fieldcress | Rorippa austriaca (Crantz) Bess. |
| yellow fieldcress | Rorippa sylvestris (L.) Bess. |
| Macartney rose | Rosa bracteata J.C. Wendl. |
| dog rose | Rosa canina L. |
| cinnamon rose | Rosa cinnamomea L. |
| sweetbriar rose | Rosa eglanteria L. |
| French rose | Rosa gallica L. |
| Cherokee rose | Rosa laevigata Michx. |
| smallflower sweetbrier | Rosa micrantha Borrer ex Sm. |
| multiflora rose | Rosa multiflora Thunb. ex Murr. |
| rugosa rose | Rosa rugosa Thunb. |
| Scottish rose | Rosa spinosissima L. |
| memorial rose | Rosa wichuraiana Crépin |
| damask rose | Rosa x damascena P. Mill. [gallica × moschata] |
| itchgrass | Rottboellia cochinchinensis (Lour.) W.D. Clayton |
| Himalaya blackberry | Rubus armeniacus Focke |
| Himalayan berry | Rubus bifrons Vest ex Tratt. |
| yellow Himalayan raspberry | Rubus ellipticus Sm. |
| strawberry raspberry | Rubus illecebrosus Focke |
| cutleaf blackberry | Rubus laciniatus Willd. |
| largeleaf blackberry | Rubus macrophyllus Weihe & Nees |
| snowpeaks raspberry | Rubus niveus Thunb. |
| wine raspberry | Rubus phoenicolasius Maxim. |
| West Indian raspberry | Rubus rosifolius Sm. |
| palmleaf dewberry | Rubus sieboldii Blume |
| elmleaf blackberry | Rubus ulmifolius Schott |
| European blackberry | Rubus vestitus Weihe & Nees |
| Britton's wild petunia | Ruellia caerulea Leonard |
| garden sorrel | Rumex acetosa ssp. acetosa L. |
| red sorrel | Rumex acetosella L. |
| curly dock | Rumex crispus L. |
| longleaf dock | Rumex longifolius DC. |
| broadleaf dock | Rumex obtusifolius L. |
| narrowleaf dock | Rumex stenophyllus Ledeb. |
| hairy wallaby grass | Rytidosperma pilosum (R. Br.) Connor & Edgar |
| ravennagrass | Saccharum ravennae (L.) L. |
| wild sugarcane | Saccharum spontaneum L. |
| glenwoodgrass | Sacciolepis indica (L.) Chase |
| birdseye pearlwort | Sagina procumbens L. |
| white willow | Salix alba L. |
| weeping willow | Salix babylonica L. |
| goat willow | Salix caprea L. |
| large gray willow | Salix cinerea L. |
| crack willow | Salix fragilis L. |
| corkscrew willow | Salix matsudana Koidzumi |
| laurel willow | Salix pentandra L. |
| purpleosier willow | Salix purpurea L. |
| osier | Salix viminalis L. |
| Wisconsin weeping willow | Salix x pendulina Wenderoth [babylonica × fragilis] |
| weeping willow | Salix x sepulcralis Simonkai [alba × babylonica] |
| slender Russian thistle | Salsola collina Pallas |
| common saltwort | Salsola kali L. |
| barbwire Russian-thistle | Salsola paulsenii Litv. |
| Russian-thistle | Salsola tragus L. |
| Mediterranean saltwort | Salsola vermiculata L. |
| Mediterranean sage | Salvia aethiopis L. |
| eared salvinia | Salvinia auriculata Aublet |
| lobed salvinia | Salvinia biloba Raddi |
| Herzog salvinia | Salvinia herzogii de la Sota |
| water fern | Salvinia minima Baker |
| giant salvinia | Salvinia molesta D. S. Mitchell |
| raintree | Samanea saman (Jacq.) Merr. |
| iguanatail | Sansevieria hyacinthoides (L.) Druce |
| bouncingbet | Saponaria officinalis L. |
| mourningbride | Scabiosa atropurpurea L. |
| tall fescue | Schedonorus phoenix (Scop.) Holub |
| meadow fescue | Schedonorus pratensis (Huds.) Beauv. |
| octopus tree | Schefflera actinophylla (Endl.) H.A.T. Harms |
| Peruvian peppertree | Schinus molle L. |
| Brazilian peppertree | Schinus terebinthifolius Raddi |
| Brazilian peppertree | Schinus terebinthifolius var. raddianus Engl. |
| Arabian schismus | Schismus arabicus Nees |
| common mediterraneangrass | Schismus barbatus (Loefl. ex L.) Thellung |
| Colombian bluestem | Schizachyrium condensatum (Kunth) Nees |
| lakeshore nutrush | Scleria lacustris C. Wright |
| cereal rye | Secale cereale L. |
| crownvetch | Securigera varia (L.) Lassen |
| tansy ragwort | Senecio jacobaea L. |
| woodland groundsel | Senecio sylvaticus L. |
| sticky groundsel | Senecio viscosus L. |
| common groundsel | Senecio vulgaris L. |
| coffee senna | Senna occidentalis (L.) Link |
| valamuerto | Senna pendula var. advena (Vogel) Irwin & Barneby |
| arsenic bush | Senna septemtrionalis (Viv.) H. Irwin & Barneby |
| glossy shower | Senna surattensis (Burm. f.) Irwin & Barneby |
| red sesbania | Sesbania punicea (Cav.) Benth. |
| giant foxtail | Setaria faberi Herrm. |
| foxtail millet | Setaria italica (L.) Beauv. |
| palmgrass | Setaria palmifolia (Koenig) Stapf |
| yellow foxtail | Setaria pumila (Poir.) Roemer & J.A. Schultes |
| cattail grass | Setaria pumila ssp. pallidefusca (Schumacher) B.K. Simon |
| bristlegrass | Setaria spp. Beauv. |
| bristly foxtail | Setaria verticillata (L.) Beauv. |
| green foxtail | Setaria viridis (L.) Beauv. |
| green bristlegrass | Setaria viridis var. viridis (L.) P. Beauv. |
| field madder | Sherardia arvensis L. |
| common St. Paul's wort | Sigesbeckia orientalis L. |
| garden catchfly | Silene armeria L. |
| red campion | Silene dioica (L.) Clairville |
| English catchfly | Silene gallica L. |
| white campion | Silene latifolia Poir. |
| bladder campion | Silene latifolia ssp. alba (Mill.) Greuter & Burdet |
| nightflowering catchfly | Silene noctiflora L. |
| bladder campion | Silene vulgaris (Moench) Garcke |
| blessed milkthistle | Silybum marianum (L.) Gaertn. |
| white mustard | Sinapis alba L. |
| wild mustard | Sinapis arvensis L. |
| tumble mustard | Sisymbrium altissimum L. |
| London rocket | Sisymbrium irio L. |
| hedge mustard | Sisymbrium officinale (L.) Scop. |
| oriental mustard | Sisymbrium orientale L. |
| twoleaf nightshade | Solanum diphyllum L. |
| bittersweet nightshade | Solanum dulcamara L. |
| purple African nightshade | Solanum marginatum L. f. |
| hairy nightshade | Solanum physalifolium Rusby |
| currant tomato | Solanum pimpinellifolium Jusl. |
| Jerusalem-cherry | Solanum pseudocapsicum L. |
| shrubby nightshade | Solanum robustum Wendl. |
| sticky nightshade | Solanum sisymbriifolium Lam. |
| wetland nightshade | Solanum tampicense Dunal |
| potato | Solanum tuberosum L. |
| tropical soda apple | Solanum viarum Dunal |
| common coleus | Solenostemon scutellarioides (L.) Codd |
| lawn burweed | Soliva sessilis Ruiz & Pavón |
| perennial sowthistle | Sonchus arvensis L. |
| field sowthistle | Sonchus arvensis ssp. arvensis L. |
| moist sowthistle | Sonchus arvensis ssp. uliginosus (M. Bieb.) Nyman |
| spiny sowthistle | Sonchus asper (L.) Hill |
| annual sowthistle | Sonchus oleraceus L. |
| false spiraea | Sorbaria sorbifolia (L.) A. Braun |
| European mountain-ash | Sorbus aucuparia L. |
| sorghum | Sorghum bicolor (L.) Moench |
| sudangrass | Sorghum bicolor ssp. drummondii (Nees ex Steud.) de Wet & Harlan |
| johnsongrass | Sorghum halepense (L.) Pers. |
| common cordgrass | Spartina anglica C.E. Hubbard |
| denseflower cordgrass | Spartina densiflora Brongn. |
| Spanish broom | Spartium junceum L. |
| African tuliptree | Spathodea campanulata Beauv. |
| Philippine ground orchid | Spathoglottis plicata Blume |
| corn spurry | Spergula arvensis L. |
| red sandspurry | Spergularia rubra (L.) J. Presl & C. Presl |
| swainsonpea | Sphaerophysa salsula (Pallas) DC. |
| Bay Biscayne creeping-oxeye | Sphagneticola trilobata (L.C. Rich.) Pruski |
| Japanese spiraea | Spiraea japonica L. f. |
| fortune meadowsweet | Spiraea japonica var. fortunei (Planch.) Rehder |
| bridalwreath spiraea | Spiraea prunifolia Sieb. & Zucc. |
| Thunberg's meadowsweet | Spiraea thunbergii Sieb. ex Blume |
| purple mombin | Spondias purpurea L. |
| tussock dropseed | Sporobolus diandrus (Retz.) P. Beauv. |
| rat-tail grass | Sporobolus indicus var. capensis Engelm. |
| fieldnettle betony | Stachys arvensis (L.) L. |
| nettleleaf velvetberry | Stachytarpheta urticifolia Sims |
| common chickweed | Stellaria media (L.) Vill. |
| common chickweed | Stellaria media ssp. pallida (Dumort.) Asch. & Graebn. |
| witchweed | Striga asiatica (L.) Kuntze |
| cowpea witchweed | Striga gesnerioides (Willd.) Vatke |
| queen palm | Syagrus romanzoffiana (Cham.) Glassman |
| common comfrey | Symphytum officinale L. |
| American evergreen | Syngonium podophyllum Schott |
| common lilac | Syringa vulgaris L. |
| Java plum | Syzygium cumini (L.) Skeels |
| Malabar plum | Syzygium jambos (L.) Alston |
| medusahead | Taeniatherum caput-medusae (L.) Nevski |
| wild marigold | Tagetes minuta L. |
| African tamarisk | Tamarix africana Poir. |
| Athel tamarisk | Tamarix aphylla (L.) Karst. |
| fivestamen tamarisk | Tamarix chinensis Lour. |
| French tamarisk | Tamarix gallica L. |
| smallflower tamarisk | Tamarix parviflora DC. |
| saltcedar | Tamarix ramosissima Ledeb. |
| tamarisk | Tamarix spp. L. |
| common tansy | Tanacetum vulgare L. |
| rock dandelion | Taraxacum laevigatum (Willd.) DC. |
| common dandelion | Taraxacum officinale ssp. officinale F.H. Wigg. |
| Japanese yew | Taxus cuspidata Sieb. & Zucc. |
| troipical almond | Terminalia catappa L. |
| Australian almond | Terminalia muelleri Benth. |
| East Indian almond | Terminalia myriocarpa van Heurck & Muell.-Arg. |
| New Zealand spinach | Tetragonia tetragonioides (Pallas) Kuntze |
| portia tree | Thespesia populnea (L.) Soland. ex Correa |
| intermediate wheatgrass | Thinopyrum intermedium (Host) Barkworth & D.R. Dewey |
| tall wheatgrass | Thinopyrum ponticum (Podp.) Z.-W. Liu & R.-C. Wang |
| field pennycress | Thlaspi arvense L. |
| blackeyed Susan vine | Thunbergia alata Bojer ex Sims |
| Bengal trumpet | Thunbergia grandiflora Roxb. |
| laurel clockvine | Thunbergia laurifolia Lindl. |
| common thyme | Thymus vulgaris L. |
| herbaceous glorytree | Tibouchina herbacea (DC.) Cogn. |
| princess-flower | Tibouchina urvilleana (DC.) Cogn. |
| tree marigold | Tithonia diversifolia (Hemsl.) Gray |
| Australian redcedar | Toona ciliata Roemer |
| hedgeparsley | Torilis arvensis (Huds.) Link |
| spreading hedgeparsley | Torilis arvensis ssp. arvensis (Huds.) Link |
| Japanese hedgeparsley | Torilis japonica (Houtt.) DC. |
| white-flowered spiderwort | Tradescantia fluminensis Vell. |
| boatlily | Tradescantia spathacea Sw. |
| inchplant | Tradescantia zebrina hort. ex Bosse |
| western salsify | Tragopogon dubius Scop. |
| meadow salsify | Tragopogon lamottei L. |
| common salsify | Tragopogon porrifolius L. |
| water-chestnut | Trapa natans L. |
| oriental trema | Trema orientalis (L.) Blume |
| Chinese tallowtree | Triadica sebifera (L.) Small |
| Jamaica feverplant | Tribulus cistoides L. |
| puncturevine | Tribulus terrestris L. |
| coat buttons | Tridax procumbens L. |
| rabbitfoot clover | Trifolium arvense L. |
| hop clover | Trifolium aureum Pollich |
| large hop clover | Trifolium campestre Schreb. |
| small hop clover | Trifolium dubium Sibthorp |
| alsike clover | Trifolium hybridum L. |
| red clover | Trifolium pratense L. |
| white clover | Trifolium repens L. |
| limeberry | Triphasia trifolia (Burm. f.) P. Wilson |
| scentless false mayweed | Tripleurospermum perforatum (Merat) M. Lainz |
| common wheat | Triticum aestivum L. |
| coltsfoot | Tussilago farfara L. |
| narrowleaf cattail | Typha angustifolia L. |
| gorse | Ulex europaeus L. |
| Chinese elm | Ulmus parvifolia Jacq. |
| English elm | Ulmus procera Salisb. |
| Siberian elm | Ulmus pumila L. |
| Caesarweed | Urena lobata L. |
| tropical signalgrass | Urochloa distachya (L.) T.Q. Nguyen |
| guineagrass | Urochloa maxima (Jacq.) R. Webster |
| paragrass | Urochloa mutica (Forsk.) T.Q. Nguyen |
| liverseedgrass | Urochloa panicoides Beauvois |
